If you need to register or have questions about a dog you can use live chat (Bark Live) on this page or call 1-800-952-3376. For more information on registration visit www.bit.ly/CKCreg. To learn more about CKC visit www.bit.ly/CKCabout.
Dogs can pinpoint the source of a sound in 1/600th of a second and hear sounds from four times further away than humans.
